#if !defined fft_h
#define fft_h

#include<stdio.h>
#include<math.h>
#include<time.h>
#define pidiv65536 0.00004793689921

struct complex {
    float re;
    float im;
};

void countspinfac();
void fft131072(struct complex *a, int n);
void changeorder(struct complex *a, struct complex *b);
void setnum(short *a, short *b);

#endif